Add debug output for QPlatformSurfaceEvent.

[ChangeLog][QtGui][QPlatformSurfaceEvent] Added event class
QPlatformSurfaceEvent, which is sent to QWindow and QOffscreenSurface
when native surface is created or about to be destroyed.

Task-number: QTBUG-42476
Task-number: QTBUG-42483
Change-Id: If62e2c2a1f2a94fd310bbf7cf22b94c70125ba7a
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp
index 67c4e3f512..a0b6256e72 100644
--- a/src/gui/kernel/qevent.cpp
+++ b/src/gui/kernel/qevent.cpp
@@ -3603,6 +3603,8 @@ static const char *eventClassName(QEvent::Type t)
         return "QGraphicsSceneEvent";
     case QEvent::Timer:
         return "QTimerEvent";
+    case QEvent::PlatformSurface:
+        return "QPlatformSurfaceEvent";
     default:
         break;
     }
@@ -3861,6 +3863,18 @@ QDebug operator<<(QDebug dbg, const QEvent *e)
     case QEvent::Timer:
         dbg << "QTimerEvent(id=" << static_cast<const QTimerEvent *>(e)->timerId() << ')';
         break;
+    case QEvent::PlatformSurface:
+        dbg << "QPlatformSurfaceEvent(surfaceEventType=";
+        switch (static_cast<const QPlatformSurfaceEvent *>(e)->surfaceEventType()) {
+        case QPlatformSurfaceEvent::SurfaceCreated:
+            dbg << "SurfaceCreated";
+            break;
+        case QPlatformSurfaceEvent::SurfaceAboutToBeDestroyed:
+            dbg << "SurfaceAboutToBeDestroyed";
+            break;
+        }
+        dbg << ')';
+        break;
     default:
         dbg << eventClassName(type) << '(' << eventTypeName(type) << ", "
             << (const void *)e << ", type = " << e->type() << ')';